/Engine/Plugins/VirtualProduction/CameraCalibrationCore/Source/CameraCalibrationCore/Public/CameraCalibrationSubsystem.h
Register a new overlay material name and path that can be queried from camera calibration tools
void RegisterOverlayMaterial ( const [FName](API\Runtime\Core\UObject\FName) & MaterialName, const [FSoftObjectPath](API\Runtime\CoreUObject\UObject\FSoftObjectPath) & MaterialPath )